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The southwest monsoon reaches the Kerala coast at about which time each year?

  • A.The first week of June
  • B.The middle of March
  • C.The end of August
  • D.The middle of October

Answer: A

Correct answer: The first week of June

The southwest monsoon normally arrives over Kerala around 1 June, with a margin of a few days either way, and the India Meteorological Department’s declaration of its onset is a closely watched annual announcement. From Kerala it advances in two branches. The Arabian Sea branch moves up the west coast, striking the Western Ghats and delivering very heavy rain on their windward slopes. The Bay of Bengal branch moves up the eastern side, is deflected westward by the Himalaya, and travels up the Ganga plain. The two meet over the northwest, and the whole country is covered by about mid-July. Withdrawal begins from Rajasthan in early September and is complete by October. The monsoon supplies roughly three quarters of India’s annual rainfall, which is why its timing and strength bear directly on agriculture, reservoirs and the wider economy. The northeast monsoon follows in October to December and is what waters Tamil Nadu.

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